Yanisa sits next to 5 phonetic neighbors — Anisa, Yenisa, and Vanessa are the closest matches by sound. Most share Yanisa's Sanskrit via Thai-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"wisdom, knowledge"
"Beam of light; feminine creative blend"
"modern American coinage, unique creation"
Similar sound: These names share phonetic patterns with Yanisa — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit via Thai origins, giving them the same cultural heritage as Yanisa.
Rhythm: Yanisa is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.